Journal article
Search for invisible decays of the Υ(1S)
- Abstract:
- We search for invisible decays of the Υ(1S) meson using a sample of 91.4×106 Υ(3S) mesons collected at the BABAR/PEP-II B factory. We select events containing the decay Υ(3S)→π+π-Υ(1S) and search for evidence of an undetectable Υ(1S) decay recoiling against the dipion system. We set an upper limit on the branching fraction B(Υ(1S)→invisible)<3.0×10-4 at the 90% confidence level. © 2009 The American Physical Society.
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- Publisher copy:
- 10.1103/PhysRevLett.103.251801
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Authors
Bibliographic Details
- Journal:
- Physical Review Letters
- Volume:
- 103
- Issue:
- 25
- Publication date:
- 2009-12-16
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- Source identifiers:
-
211428
Item Description
- Language:
- English
- Pubs id:
-
pubs:211428
- UUID:
-
uuid:fa9c6c13-27aa-4087-92dd-71cfb11977b9
- Local pid:
- pubs:211428
- Deposit date:
- 2012-12-19
Terms of use
- Copyright date:
- 2009
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